<!DOCTYPE html>
<html lang="en">
<head>
    <title>Bootstrap</title>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,initial-scale=1.0">
    <link href="css/bootstrap-2.3.css" rel="stylesheet">

    <!-- IE9兼容 -->
    <!-- [if llt IE 9]>
        <script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script>
    <![endif] -->

</head>
<body>

    <!-- container限制宽度，并居中 -->
    <div class="container">

        <h1 class="page-header">按钮</h1>

        <div style="margin-bottom: 15px">
            <a class="btn btn-primary btn-large" href="#"><i class="icon-comment icon-white"></i> 查看评论</a>
        </div>
        <div style="margin-bottom: 15px">
            <button class="btn btn-info" type="submit"><i class="icon-shopping-cart"></i> 结账</button>
        </div>
        <div style="margin-bottom: 15px">
            <input class="btn btn-success" type="button" value="设置">
        </div>


    </div>

    <script src="js/jquery-3.1.1.js"></script>
    <script src="js/bootstrap-2.3.js"></script>
</body>
</html>